Merge branch 'mainstream'

[sliver-openvswitch.git] / lib / socket-util.c

diff --git a/lib/socket-util.c b/lib/socket-util.c
index 54ef956..f7d2d0f 100644 (file)
--- a/lib/socket-util.c
+++ b/lib/socket-util.c
@@ -108,14 +108,31 @@ int
 set_dscp(int fd, uint8_t dscp)
 {
     int val;
+    bool success;
 
     if (dscp > 63) {
         return EINVAL;
     }
 
+    /* Note: this function is used for both of IPv4 and IPv6 sockets */
+    success = false;
     val = dscp << 2;
     if (setsockopt(fd, IPPROTO_IP, IP_TOS, &val, sizeof val)) {
-        return sock_errno();
+        if (sock_errno() != ENOPROTOOPT) {
+            return sock_errno();
+        }
+    } else {
+        success = true;
+    }
+    if (setsockopt(fd, IPPROTO_IPV6, IPV6_TCLASS, &val, sizeof val)) {
+        if (sock_errno() != ENOPROTOOPT) {
+            return sock_errno();
+        }
+    } else {
+        success = true;
+    }
+    if (!success) {
+        return ENOPROTOOPT;
     }
 
     return 0;
@@ -1030,6 +1047,7 @@ get_mtime(const char *file_name, struct timespec *mtime)
     }
 }
 
+#ifndef _WIN32
 void
 xpipe(int fds[2])
 {
@@ -1045,6 +1063,7 @@ xpipe_nonblocking(int fds[2])
     xset_nonblocking(fds[0]);
     xset_nonblocking(fds[1]);
 }
+#endif
 
 static int
 getsockopt_int(int fd, int level, int option, const char *optname, int *valuep)